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Cosmic Epoxy EH31

1 of 25 products in this brand
Cosmic Epoxy EH31 is an iron-filled epoxy molding compound available in a granular form with a black color. This material is designed for EMI/RFI shielding applications. It can be used for compression or transfer molding to create core rods and encapsulate surface mount and axial leaded inductors. Using this single molded compound can streamline the manufacturing process and eliminate the need for labor-intensive over/under molding.

Polymer Name: Epoxy Resins & Compounds

Processing Methods: Compression Molding, Transfer Molding

End Uses: Core Rods, Encapsulant, Inductor

Knowde Enhanced TDS

Identification & Functionality

Fillers Included
Plastics & Elastomers Functions
Technologies

Features & Benefits

Key Features

This material flows easily under low pressure and provides good moldability.

Applications & Uses

Plastics & Elastomers End Uses
Plastics & Elastomers Processing Methods
Product Applications
  • This material is good for EMI / RFI shielding, and can be either compression or transfer molded to fabricate core rods, or to encapsulate surface mount and axial leaded inductors.
  • This single molded compound eliminates the labor intensive over/under molding.

Properties

Color
Physical Form
Test Parameter
ValueUnitsTest Method / Conditions
Spiral Range20 - 30Inches (EMMI)
Recommended Post Cure (at 160 °C)2 - 4Hours
Inductance0.1924 - 0.1975Ls (μH)
Quality Factor2.9
Frequency1MHz
Specimen1/16Rod, inches
Wire Size0.008Inches
Number of Tums25
Processing Information (Molding)
ValueUnitsTest Method / Conditions
Specific Gravity2.5
Bulk Factor2.5
Molding Pressure50 - 800psi
Molding Temperature130 - 180°C
Molding Temperature266 - 350°F

Regulatory & Compliance

Certifications & Compliance

Storage & Handling

Shelf Life
6 months
Shelf Life Conditions
STORAGE SPECIFICATION DATA
Storage Life 5°C (40°F), months 6